Honda Civic Service Manual page 957

Troubleshooting Flowchart - Drive Pulley Speed Sensor
NOTE: Record allfreeze data before you troubleshoot'
Possible Cau3€
. D i s c o n n e c t e d d i i v e P u l l e Y
soeed s6n3or connectol
. Short or open in drive Pull.Y
sooed sonsor wire
. FaultY drive PulleY spo€d sen'
301
DRIVE PULEY SPEED
SENSOR @NNEfiOR
Terminal side of male terminals
PCM CONNECTOR D (16PI
NDR SG IGRNI
Wire side o{ Iemale terminals
(cont'd)
14-279
. O B D l l S c a n T o o l i n d i c a t e s
Code Pl885.
. Selt-diagnosb E indicator light
indicatos Code 34
check the drive pulleY sPeed sen-
sor installation, and check it for
damage.
ls the drive PulleY speed sen-
sor installed properly, and not
damaged?
Rein3tall or roplace and techeck
Measuro Drive PulleY Speed Sen_
sor Ro3istanco at the Sonsol
Connector:
1. Disconnect the 2P conneclor
from the drive Pulley speed
sensor,
2. Measure drive Pulley speed
sensor resislance at the sen-
sor connecror.
ls the resistance 350 - 600 O?
Check Drivo PulleY SP6€d Sen3o.
lor . Short Circuit:
1. Disconnect the D {16P) connec-
torlrom the PCM.
2. Check lor continuity between
body ground and the D11 ter
minal and D'l2 terminal indi
vidually.
R e p a i . s h o r t i n t h e w i l e s
between the Dll lnd D12 termi-
nals and iho drive Pull.Y speed
To page 14-280